Tools & Wizards About Us
a4a.ir screenshot

Report Summary

  • 95

    Performance

    Renders faster than
    93% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

a4a.ir

Home Page - KRC.Web

Page Load Speed

3.6 sec in total

First Response

921 ms

Resources Loaded

2.6 sec

Page Rendered

112 ms

a4a.ir screenshot

About Website

Visit a4a.ir now to see the best up-to-date A 4 content and also check out these interesting facts you probably never knew about a4a.ir

Visit a4a.ir

Key Findings

We analyzed A4a.ir page load time and found that the first response time was 921 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

a4a.ir performance score

95

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

87/100

10%

LCP (Largest Contentful Paint)

Value2.0 s

97/100

25%

SI (Speed Index)

Value4.7 s

68/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.0 s

99/100

10%

Network Requests Diagram

a4a.ir

921 ms

style.css

455 ms

header.js

447 ms

promo-flags.js.php

486 ms

top_bg.png

236 ms

Our browser made a total of 19 requests to load all elements on the main page. We found that 95% of them (18 requests) were addressed to the original A4a.ir, 5% (1 request) were made to Promo.parallels.com. The less responsive or slowest element that took the longest time to load (921 ms) belongs to the original domain A4a.ir.

Page Optimization Overview & Recommendations

Page size can be reduced by 13.7 kB (40%)

Content Size

34.4 kB

After Optimization

20.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of A4a.ir main page is 34.4 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. Only 5% of websites need less resources to load. Images take 15.0 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 7.1 kB

  • Original 10.2 kB
  • After minification 9.1 kB
  • After compression 3.1 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 1.1 kB, which is 11% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 7.1 kB or 70% of the original size.

Image Optimization

-0%

Potential reduce by 40 B

  • Original 15.0 kB
  • After minification 14.9 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. A 4 images are well optimized though.

JavaScript Optimization

-53%

Potential reduce by 639 B

  • Original 1.2 kB
  • After minification 1.1 kB
  • After compression 556 B

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 639 B or 53% of the original size.

CSS Optimization

-74%

Potential reduce by 6.0 kB

  • Original 8.1 kB
  • After minification 7.0 kB
  • After compression 2.1 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. A4a.ir needs all CSS files to be minified and compressed as it can save up to 6.0 kB or 74% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

17

After Optimization

17

  • Images
  • JavaScript
  • CSS

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of A 4. According to our analytics all requests are already optimized.

Network Requests Diagram

a4a.ir

a4a.ir

921 ms

style.css

style.css

455 ms

header.js

header.js

447 ms

promo-flags.js.php

promo-flags.js.php

486 ms

top_bg.png

top_bg.png

236 ms

pd-box.gif

pd-box.gif

453 ms

pdfwl-box.gif

pdfwl-box.gif

448 ms

server-box.gif

server-box.gif

659 ms

container-box.gif

container-box.gif

669 ms

poa-box.gif

poa-box.gif

658 ms

pcp-box.gif

pcp-box.gif

460 ms

box-corners.png

box-corners.png

653 ms

globe.png

globe.png

908 ms

btn_aspdotnet_bg.gif

btn_aspdotnet_bg.gif

691 ms

btn_python_bg.gif

btn_python_bg.gif

879 ms

btn_php_bg.gif

btn_php_bg.gif

878 ms

btn_perl_bg.gif

btn_perl_bg.gif

879 ms

footer_bg.png

footer_bg.png

866 ms

promo.plesk.js

promo.plesk.js

164 ms

Accessibility Review

a4a.ir accessibility score

100

Accessibility Issues

Best Practices

a4a.ir best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

a4a.ir SEO score

91

Search Engine Optimization Advices

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise A4a.ir can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that A4a.ir main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

a4a.ir

Open Graph description is not detected on the main page of A 4. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: